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Sub-70 nm resolution tabletop microscopy at 13.8 nm using a compact laser–plasma EUV source

机译:使用紧凑型激光等离子体EUV光源,在13.8 nm处具有低于70 nm的分辨率的台式显微镜

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We report the first (to our knowledge) demonstration of a tabletop, extreme UV (EUV) transmission microscope atn13:8 nm wavelength with a spatial (half-pitch) resolution of 69 nm. In the experiment, a compact laser–plasmanEUV source based on a gas puff target is applied to illuminate an object. A multilayer ellipsoidal mirror is used tonfocus quasi-monochromatic EUV radiation onto the object, while a Fresnel zone plate objective forms the image.nThe experiment and the spatial resolutionmeasurements, based on a knife-edge test, are described. The resultsmightnbe useful for the realization of a compact high-resolution tabletop imaging systems for actinic defect characterization.n© 2010 Optical Society of America
机译:我们报告了(在我们所知的情况下)台式,极紫外(EUV)透射显微镜的首次演示,该显微镜在13:8 nm波长处具有69 nm的空间(半间距)分辨率。在实验中,基于气扑目标的紧凑型激光-plasmanEUV源被用于照亮物体。多层椭圆镜用于将准聚焦EUV辐射聚焦到物体上,而菲涅耳波带片物镜则形成图像。n描述了基于刀口测试的实验和空间分辨率测量。该结果可能对于实现用于光化缺陷表征的紧凑型高分辨率台式成像系统很有用。n©2010美国光学学会

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